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Silicon Nitride Valve

Silicon nitride valve Feature: Wear resistance: hardness about 94HRA and has seIf-lubricating properties. High temperature resistance: temperature resistance up to 1400℃. Chemical stability: Excellent acid and alkali corrosion resistance and no react with most of materials Application: 1)...

Description

Silicon nitride valve

 

Feature:

Wear resistance: hardness about 94HRA and has seIf-lubricating properties.

High temperature resistance: temperature resistance up to 1400℃.

Chemical stability: Excellent acid and alkali corrosion resistance and no react with most of materials

 

Application:

1) Machinery industry: Silicon nitride ceramic shaft balls can be widely used in electric spindles of high-speed machine tools, bearings of wind turbines, and high temperature and corrosion resistance fields;

2) Metallurgical industry: due to the non-wetting characteristics of silicon nitride ceramics and aluminum liquid, silicon nitride ceramic parts are widely used in aluminum smelting and casting, such as protection tubes, riser tubes, hooks, etc .; silicon nitride ceramic resistance The water ring can be applied to non-destructive flaw detection units for seamless steel tubes; silicon nitride metallurgical rolls can be used for steel production, etc .;

3) Petroleum industry; can be used for petroleum exploration, etc .;

4) The field of high temperature wear resistance and corrosion resistance; silicon nitride ceramic positioning blocks can be used in the production of titanium sponge; silicon nitride ceramic inserts are used in the high temperature reflux area of supercritical industrial boiler swirl burners, etc .;

5) In the field of wave-transmitting materials; due to its excellent wave-transmitting properties, silicon nitride ceramic plates can be applied to the roof of microwave ovens, the detection windows of level gauges, etc .

6) Auto parts: such as rocker inserts, turbine rotors, cam tappets, etc.

Sintering method

Density

g/cm3

Flexural strength

MPA

Microhardness

HV10

Fracture toughness

MPA.M1/2

Elastic Modulus

GPA

Air pressure sintering

>3.2

750-1000

1500-1700

7-8

310

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